a(0) = 0, a(1) = 1, a(n+1) = (2*n+1)*(n^2+n+5)*a(n) - n^6*a(n-1).
A143003
a(0) = 0, a(1) = 1, a(n+1) = (2*n+1)*(n^2+n+5)*a(n) - n^6*a(n-1).
Terms
- a(0) =0a(1) =1a(2) =21a(3) =1091a(4) =114520a(5) =21298264a(6) =6410456640
External references
- oeis: A143003